fix rc_service_extra_commands return value

If there were no extra commands, rc_service_extra_commands returned a
list containing a single empty string. This changes that to return an
empty list, which is more consistent with what you would expect.

X-Gentoo-Bug: 360013
X-Gentoo-Bug-URL: http://bugs.gentoo.org/show_bug.cgi?id=360013

1 files changed, 7 insertions, 5 deletions

diff --git a/src/librc/librc.c b/src/librc/librc.c
index f2f694d..5feb5d7 100644
--- a/src/librc/librc.c
+++ b/src/librc/librc.c
@@ -550,14 +550,16 @@ rc_service_extra_commands(const char *service)
 	if ((fp = popen(cmd, "r"))) {
 		rc_getline(&buffer, &len, fp);
 		p = buffer;
-		while ((token = strsep(&p, " "))) {
-			if (!commands)
-				commands = rc_stringlist_new();
-			rc_stringlist_add(commands, token);
-		}
+		commands = rc_stringlist_new();
+
+		while ((token = strsep(&p, " ")))
+			if (token[0] != '\0')
+				rc_stringlist_add(commands, token);
+
 		pclose(fp);
 		free(buffer);
 	}
+
 	free(cmd);
 	return commands;
 }